31780024

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{65123}}^1$

素因数の和:65190

約数の個数: 16

約数和(自身を含む): 60565320

約数和(自身を除く): 28785296

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 65123, 130246, 260492, 520984, 3972503, 7945006, 15890012, 31780024]

約数ペア:

[(1, 31780024), (2, 15890012), (4, 7945006), (8, 3972503), (61, 520984), (122, 260492), (244, 130246), (488, 65123)]